145143031 has 8 divisors (see below), whose sum is σ = 158425344. Its totient is φ = 131875320.

The previous prime is 145143007. The next prime is 145143067. The reversal of 145143031 is 130341541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145143031 - 2⁹ = 145142519 is a prime.

It is a super-2 number, since 2×145143031² = 42132998895733922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145142993 and 145143011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145143431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34800 + ... + 38746.

It is an arithmetic number, because the mean of its divisors is an integer number (19803168).

Almost surely, 2^145143031 is an apocalyptic number.

145143031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145143031 is a deficient number, since it is larger than the sum of its proper divisors (13282313).

145143031 is a wasteful number, since it uses less digits than its factorization.

145143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 145143031 is about 12047.5321539309. The cubic root of 145143031 is about 525.5314720742.

Adding to 145143031 its reverse (130341541), we get a palindrome (275484572).

The spelling of 145143031 in words is "one hundred forty-five million, one hundred forty-three thousand, thirty-one".